Amazon.com: ICR18500 Battery 3.7V 1400mah Li-Ion Rechargeable with Flat Top 6PC(They are not 1865mm Batteries Also Not AA Size Battery) : Health & Household
10 Pack Garberiel 18650 Battery 3.7V 3000mAh Rechargeable Batteries For Flashlight Headlamp etc. Flashlights & Lanterns - Newegg.com